Walker enters his sixth NFL season in 2014 after spending just one year with the Oakland Raiders on a one-year contract. He spent his first four seasons in the NFL on the roster of the Atlanta Falcons.

The most playing time of Walker's career came this past season when he started all 15 games he played with the Raiders, making 40 tackles and three sacks.

Measuring in at 6-2 and 305 lbs., it would appear Walker's greatest strengths are as a run defender with only eight sacks to his credit in five NFL seasons.

Durability and availability have rarely been an issue for Walker as he played in all 16 games for three consecutive seasons from 2010 through 2012 and missed just one game in Week 15 last season with a concussion.

With four defensive linemen currently free agents for the Packers—including B.J. Raji, Ryan Pickett, Johnny Jolly and C.J. Wilson—there's a potential need at the position in Green Bay, although it hasn't been ruled out that any of the four afore-mentioned players will return.

No matter what happens in free agency or the NFL Draft, it makes sense that several defensive linemen currently under contract will all play bigger roles in 2014: Mike Daniels, Datone Jones, Josh Boyd and Jerel Worthy. The issue with these four players is that none of them are necessarily known for being able to hold their ground in the run game.

Pehaps this is where Walker potentially comes into the picture as a five-technique end in the run game.

Brian Carriveau is the author of the book "It's Just a Game: Big League Drama in Small Town America," and editor of Cheesehead TV's "Pro Football Draft Preview." To contact Brian, email [email protected].

See,this is what kills me. We have Cobb and Franklin that we can create plays for and cause havoc but we just don't. Now, Cobb and Franklin don't have the open field speed like the other 2, but the quickness,agility and running skills are there.

According to the KC Star, "He finished 2013 with 40 tackles and three sacks and posted a Pro Football Focus of 4.0 in 791 snaps. Interestingly enough, he finished with a higher grade against the pass (1.5) than he did against the run (negative-0.6)." Thus, he might be more of an asset in the pass rush than the run game...

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